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authorMarcelo Tosatti <mtosatti@redhat.com>2012-08-26 13:58:41 -0300
committerMarcelo Tosatti <mtosatti@redhat.com>2012-08-26 13:58:41 -0300
commitc78aa4c4b94b5b148be576a9f1570e31fe282b46 (patch)
tree6d5801eb3e60bcec6a91c7b13a334c6d2ea11b05 /fs/xfs/xfs_ialloc.c
parent90993cdd1800dc6ef9587431a0c625b978584e81 (diff)
parent9acb172543aecb783e2e1e53e3f447d4c0f5c150 (diff)
Merge remote-tracking branch 'upstream/master' into queue
Merging critical fixes from upstream required for development. * upstream/master: (809 commits) libata: Add a space to " 2GB ATA Flash Disk" DMA blacklist entry Revert "powerpc: Update g5_defconfig" powerpc/perf: Use pmc_overflow() to detect rolled back events powerpc: Fix VMX in interrupt check in POWER7 copy loops powerpc: POWER7 copy_to_user/copy_from_user patch applied twice powerpc: Fix personality handling in ppc64_personality() powerpc/dma-iommu: Fix IOMMU window check powerpc: Remove unnecessary ifdefs powerpc/kgdb: Restore current_thread_info properly powerpc/kgdb: Bail out of KGDB when we've been triggered powerpc/kgdb: Do not set kgdb_single_step on ppc powerpc/mpic_msgr: Add missing includes powerpc: Fix null pointer deref in perf hardware breakpoints powerpc: Fixup whitespace in xmon powerpc: Fix xmon dl command for new printk implementation xfs: check for possible overflow in xfs_ioc_trim xfs: unlock the AGI buffer when looping in xfs_dialloc xfs: fix uninitialised variable in xfs_rtbuf_get() powerpc/fsl: fix "Failed to mount /dev: No such device" errors powerpc/fsl: update defconfigs ... Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'fs/xfs/xfs_ialloc.c')
-rw-r--r--fs/xfs/xfs_ialloc.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c
index 21e37b55f7e..5aceb3f8ecd 100644
--- a/fs/xfs/xfs_ialloc.c
+++ b/fs/xfs/xfs_ialloc.c
@@ -962,23 +962,22 @@ xfs_dialloc(
if (!pag->pagi_freecount && !okalloc)
goto nextag;
+ /*
+ * Then read in the AGI buffer and recheck with the AGI buffer
+ * lock held.
+ */
error = xfs_ialloc_read_agi(mp, tp, agno, &agbp);
if (error)
goto out_error;
- /*
- * Once the AGI has been read in we have to recheck
- * pagi_freecount with the AGI buffer lock held.
- */
if (pag->pagi_freecount) {
xfs_perag_put(pag);
goto out_alloc;
}
- if (!okalloc) {
- xfs_trans_brelse(tp, agbp);
- goto nextag;
- }
+ if (!okalloc)
+ goto nextag_relse_buffer;
+
error = xfs_ialloc_ag_alloc(tp, agbp, &ialloced);
if (error) {
@@ -1007,6 +1006,8 @@ xfs_dialloc(
return 0;
}
+nextag_relse_buffer:
+ xfs_trans_brelse(tp, agbp);
nextag:
xfs_perag_put(pag);
if (++agno == mp->m_sb.sb_agcount)